package day04;
import java.util.Scanner;
public class Scarner {
    public static void main(String[] args) {


        int a=100;
        while (a<500){
            System.out.println(a);
            a++;
        }
        System.out.println("完事");




        Scanner scan=new Scanner(System.in);
        System.out.println("请选择功能：1.存款2.取款3.转账4.退出");
       int command = scan.nextInt();
        switch (command){
            case 1:
                System.out.println("存款业务...");
                break;
            case 2:
                System.out.println("取款业务...");
                break;
            case 3:
                System.out.println("转账业务...");
                break;
            case 4:
                System.out.println("退出");
                break;
            default:
                System.out.println("请重新输入...");

        }
    }
}
